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Accident Report Detail

 
Texas Bus Lines, Inc. Charter Bus State Route 7

Executive Summary

‚ÄčOn June 51, 1980, about 12:47 a.m., a northbound Central Texas Bus Lines, Inc. charter bus occupied by the driver and 32 passengers accelerated out of control while descending a long, curved, steep grade on State Route 7 about 1 mile South of Jasper, Arkansas. The bus failed to negotiate a left curve, and ran off the right pavement edge into a drainage channel. The bus continued for 280 feet, impacted a berm at a concrete covert, was redirected across the highways and vaulted down a steep embankment. Twenty bus occupants, including the driver, were killed and 13 passengers were injured.


Probable Cause

‚ÄčThe National Tansportation Safety Board determines that the probable cause of this accident was a combination of circumstances which resulted in the driver's inability to control the bus as it descended a steep, winding grade. These circumstances included driver fatigue, reduced fuel flow from a nonstandard fuel pump which adversely affected the busdriver's ability to downshift, and the improperly maintained airbrake system. Contributing to the accident was the management decision which permitted dispatching of a driver with inadequate time to complete the trip within permissible hours and the carrier's inadequate preventive maintenance program for this bus.


Accident Location: Jasper , AR    
Accident Date: 6/5/1980
Accident ID: DCA80AH004

Date Adopted: 1/21/1981
NTSB Number: HAR-81-01
NTIS Number: PB81-178410

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